Vintage 70s Yellow Embroidered Housecoat or Swim Coverup

Vintage 70s No size or material tag Feels like cotton Really cool buttons - they feel like metal Two front pockets Slightly see through. Could be a unique swim coverup. Retro! Soft yellow Floral embroidery Measurements are taken laying flat and are approximate. Pit to pit - 20-1/2” Length - 37-3/4”